Why use a Anti Static Wrist strap?

Anti-Static
Wrist straps, sometimes called electrostatic
discharge wrist straps, are used to remove any static electricity
from your body while you are working on a computer. Static electricty
can damage computer parts quite easily. If you installing anything
inside your desktop computer, then your computer is at risk to
electrostatic discharge. Static electricity can be a lot of fun when
shocking a loved one. However, it is not so much fun when it fries
something in your computer. Although it doesnt occur too often, it is
nearly unpredictable. This strap is not made just for techies. It is
designed for everyones use. If you are installing something in your
computer, you should definetly consider getting one of these straps.